通过从comboBox c＃中选择项来获取文件 [英] get file by selecting item from comboBox c#

问题描述

我有一个comboBox，其中包含：

file1

file2

file3



i想要从comboBox中选择file1上传file1（已经存在）

我该怎么做？

I have a comboBox which contains:
file1
file2
file3

i want to upload file1 (which is existed already) by select file1 from comboBox
how can i do this?

推荐答案

你好

这是代码

Hi
Here is the code

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
    string path=comboBox1.SelectedItem.ToString()+".txt";
    string[] myfile;
    if (System.IO.File.Exists(path))
    {
        myfile=System.IO.File.ReadAllLines(path);
    }
}

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